Home / 1,490,018.34-2,056,620.75-917,538.30

Finding the Fourth Proportional to 1,490,018.34, 2,056,620.75 and 917,538.30

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Solution

The fourth proportional to 1,490,018.34, 2,056,620.75 and 917,538.30 is: 1,266,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,018.34 : 2,056,620.75 = 917,538.30 : x
  2. Step 2: Convert to fraction form
    1,490,018.34/2,056,620.75 = 917,538.30/x
  3. Step 3: Cross multiply
    1,490,018.34x = 2,056,620.75 × 917,538.30
  4. Step 4: Simplify right side
    1,490,018.34x = 1,887,028,306,699.73
  5. Step 5: Solve for x
    x = 1,887,028,306,699.73/1,490,018.34
  6. Step 6: Final answer
    x = 1,266,446.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.